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32 41 331 Replacing pressure line for power steering (from steering gear to junction): Notes

WARNING: This page is about a different car, the 2011 BMW 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. However, it is still accessible from the selected car via links, so may be relevant.
WARNING: DANGER OF POISONING if oil is ingested/absorbed through the skin!
RISK OF INJURY if oil comes into contact with eyes and skin!
IMPORTANT: Adhere to the utmost cleanliness. Do not allow any dirt to enter the hydraulic system.
Close off line connections with seal plugs.

Recycling: 

Catch and dispose of hydraulic fluid in a suitable collecting vessel.

Necessary preliminary tasks: 

Release screw (1) and remove pressure line (2) from steering gear.

Tightening torque 32 41 5AZ

Fig 1: Identifying Pressure Line And Screw
G08504836Courtesy of BMW OF NORTH AMERICA, INC.

Remove return hose (1) from holder (2).

Fig 2: Identifying Return Hose And Holder
G08504837Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1).

Tightening torque 32 41 15AZ

Release nut (2) on holder.

Tightening torque 32 41 7AZ

Disconnect pressure line (3).

Installation note: 

Replace all sealing rings.

Make sure hydraulic line is laid without tension and with sufficient distance to adjoining components.

Fig 3: Identifying Pressure Line, Nut And Screw
G08504838Courtesy of BMW OF NORTH AMERICA, INC.